Introduction - If you have any usage issues, please Google them yourself
Preparation of student achievement management system: 1, 5 students, 2 course each student achievement than the input from the keyboard data (student information including student number, name, and 2 course grades), stored in a text file . 2, calculate the total score of each student, and student data (including the total score of the course the students 2) sorted by descending score saved to disk file sort.txt in. 3, the statistical average score, not pass ratio, the proportion of passes, good proportion. 4, mode selection menu functions require